Listen now (45 min) | Dr Vijeth Iyengar is the guest in this week’s 4-Quarter Lives, with Avivah Wittenberg-Cox. Dr Iyengar is Director of Global Aging at the International Office of AARP – the American Association of Retired People. He leads cutting-edge research on global aging issues, including financial resilience, health security, the human rights of older persons, and their social connections, and cultivates relationships and strategic alliances to promote AARP’s vision to serve older adults everywhere.